This 10-minute abs workout from fitness trainer Maddie Lymburner, who goes by MadFit on YouTube, is also done without equipment, so you can do it pretty much anywhere. Though using a yoga mat will ...

Michael B. Jordan, celebrated for his acting and physique, achieves role-specific transformations with trainer Corey Calliet.

Push-ups have stood the test of time for a reason. They're one of the most effective bodyweight exercises for strengthening ...